Session No. 94 Tuesday, November 6, 2001

1:30 PM-5:30 PM, Hynes Convention Center: 200
T25. Geochemistry of Siliciclastic Materials: Provenance, Paleoclimates and Plate Tectonic Settings
Christopher M. Fedo, Grant M. Young, H. Wayne Nesbitt and J. Michael Palin, Presiding
 Paper #Start Time
94-01:30 PM GEOCHEMISTRY OF LATE ORDOVICIAN GLACIAL DEPOSITS AND ASSOCIATED SEDIMENTARY ROCKS, SOUTH AFRICA: RELEVANCE TO THE OCCURRENCE OF GLACIATION AT LOW PALEOLATITUDES: YOUNG, Grant M, Department of Earth Sciences, University of Western Ontario, London, ON N6A 5B7 Canada, gyoung@uwo.ca.
94-01:45 PM INCOMPLETE AND NONSYSTEMATIC DIAGENETIC DESTRUCTION OF PROVENANCE INDICATORS IN THE LOWER AND UPPER PETROFACIES OF THE MACIGNO FORMATION (NORTHERN APENNINES, ITALY): VALLONI, Renzo1, MEZZADRI, Giovanni1, and BASU, Abhijit2, (1) Department of Earth Sciences, Univ of Parma, Parma, 43100, Italy, valloni@ipruniv.cce.unipr.it, (2) Department of Geological Sciences, Indiana Univ, Bloomington, IN 47405, basu@indiana.edu
94-02:00 PM MUDROCK GEOCHEMISTRY AS INDICATORS OF SEDIMENT PROVENANCE AND CENOZOIC PALEOCLIMATES, CAPE ROBERTS PROJECT DRILLCORES, MCMURDO SOUND, ANTARCTICA: KRISSEK, Lawrence A., Geological Sciences, Ohio State Univ - Columbus, 130 Orton Hall, 155 So. Oval Mall, Columbus, OH 43210-1308, krissek@mps.ohio-state.edu and KYLE, Philip R., New Mexico Institute Mining & Technology, 801 Leroy Pl, Socorro, NM 87801-4796
94-02:15 PM SILICICLASTIC SEDIMENTS BENEATH THE CALIFORNIA CURRENT SYSTEM (ODP LEG 167): FROM MINERALOGICAL PROVENANCE ANALYSIS TO GEOCHEMICAL SOURCE AND WEATHERING PARAMETERS: OSTERTAG-HENNING, Christian, Department of Geology, Univ of Muenster, Corrensstr. 24, D - 48149 Muenster, Muenster 48149 Germany, coh@uni-muenster.de.
94-02:30 PM DEVELOPMENT OF A DETAILED ND ISOTOPE STRATIGRAPHY FOR MIOGEOCLINAL SEDIMENTARY ROCKS IN THE SOUTHWESTERN U.S: FARMER, G. Lang, Department of Geological Sciences, Univ of Colorado, Boulder, CO 80309, farmer@terra.colorado.edu and FEDO, Christopher M., Earth & Environmental Sciences, George Washington Univ, Washington, DC 20052
94-02:45 PM NEODYMIUM-GRAPTOLITE STRATIGRAPHY OF ORDOVICIAN SHALES FROM THE PRECORDILLERA TERRANE, ARGENTINA: LAURENTIAN OR GONDWANAN SOURCE?: GLEASON, James D., Geological Sciences, Univ Michigan - Ann Arbor, 425 E University Ave, Ann Arbor, MI 48109-1063, jdgleaso@umich.edu, FINNEY, Stan C., Geology, California State Univ, Long Beach, CA 90840, and PERALTA, Silvio H., CONICET e Instituto de Geologia, Universidad Nacional de San Juan, Cereseto y Meglioli - C.P. (5401), San Juan, 5400, Argentina
94-03:00 PM ND ISOTOPIC CONSTRAINTS ON THE PROVENANCE OF SYNOROGENIC FORELAND BASIN SEDIMENTS IN THE CANADIAN CORDILLERA: ROSENBERG, Erin J.1, PATCHETT, P. Jonathan2, ROSS, Gerald M.3, and ISACHSEN, Clark2, (1) Department of Geosciences, Univ of Arizona, 1040 E 4th St, Tucson, AZ 85721-0077, aeron@u.arizona.edu, (2) Univ Arizona, 1040 E 4th St, Tucson, AZ 85721-0077, (3) Geol Survey of Canada, 3303 33rd Street N.W, Calgary, AB T2L 2A7, Canada
94-03:15 PM WAS THE CANADIAN SHIELD COVERED BY SEDIMENTARY ROCKS THROUGHOUT MESOZOIC TIME?: PATCHETT, P. Jonathan, Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, patchett@geo.arizona.edu.
94-03:30 PM LEAD ISOTOPIC SIGNATURES OF CENOZOIC EOLIAN DEPOSITS AND IMPLICATIONS FOR ATMOSPHERIC CIRCULATION OVER CENTRAL ASIA: UNRUH, Ana L., Univ Oxford, Parks Rd, Oxford OX1 3PR United Kingdom, ana_unruh@hotmail.com.
94-03:45 PM EROSION PATTERNS, TECTONIC UPLIFT AND SEDIMENT TRANSPORT IN THE INDUS RIVER DRAINAGE BASIN: LEE, Jae Il, CLIFT, Peter, SHIMIZU, Nobumichi, and LAYNE, Graham D., Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, jlee@whoi.edu
 4:00 PM Break
94-04:15 PM CONSTRAINTS ON THE EVOLUTION OF THE CORDILLERAN MARGIN FROM DETRITAL ZIRCON ANALYSES IN THE MIDDLE MEMBER WOOD CANYON FORMATION, MARBLE MOUNTAINS, SOUTHEASTERN CALIFORNIA: FEDO, Christopher M., Earth & Environmental Sciences, George Washington Univ, Washington, DC 20052, cfedo@gwu.edu and FARMER, G. Lang, Department of Geological Sciences, Univ of Colorado, Boulder, CO 80309
94-04:30 PM TEMPORAL AND SPATIAL CHANGES IN PALEOWINDS INFERRED FROM DETRITAL ZIRCON GEOCHRONOLOGY OF UPPER PALEOZOIC LOESSITE, WESTERN NORTH AMERICA: SOREGHAN, Michael J.1, SOREGHAN, Gerilyn S.1, and HAMILTON, Michael A.2, (1) Univ Oklahoma, 100 E Boyd St, SEC 810, Norman, OK 73019-1009, msoreg@ou.edu, (2) Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
94-04:45 PM U-PB GEOCHRONOLOGY OF DETRITAL ZIRCONS FROM THE INTERBASALTIC FORMATION, ANTRIM LAVA GROUP; GIANT'S CAUSEWAY, CO. ANTRIM, NE IRELAND, AND IMPLICATIONS FOR THEIR SOURCE: GOULD, Rebecca J.1, RIGGS, Nancy R.2, and STILLMAN, Chris J.1, (1) Department of Geology, Trinity College Dublin, Museum Building, Dublin 2, Ireland, gouldr@tcd.ie, (2) Department of Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011
94-05:00 PM THE BIRTH OF THE PLEISTOCENE BIG LOST TROUGH: DETRITAL ZIRCONS CONSTRAIN LATE PLIOCENE DRAINAGE DIVERSION BY A BASALTIC RIFT ZONE, EASTERN SNAKE RIVER PLAIN, IDAHO: LINK, Paul K.1, BLAIR, James J.1, and FANNING, C. Mark2, (1) Geology, Idaho State Univ, P.O. Box 8072, Pocatello, ID 83209, linkpaul@isu.edu, (2) PRISE, Australian National Univ, Canberra, Canberra. ACT, 2601, Australia
94-05:15 PM MORE THAN DATES: PROVENANCE OF DETRITAL ZIRCON BY EXCIMER LASER ABLATION ICP-MS: PALIN, J. Michael, Australian National Univ, Research School Earth Sciences, Canberra, 0200, Australia, michael.palin@anu.edu.au, ERIKSSON, Kenneth A., Department of Geological Sciences, Virginia Tech, Blacksburg, VA 24061, CAMPBELL, Ian H., Research School of Earth Sciences, Australian National Univ, Canberra, 0200, Australia, and ALLEN, Charlotte M., Australian National Univ, Research School Earth Sciences, Canberra, ACT 0200, Australia

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